<template>
<div class="recommend" ref="recommend">
  <scroll ref="scroll" class="recommend-content" :data="discList">
    <div>
      <div v-if="recommends.length" class="slider-wrapper">
        <slider>
          <div v-for="item in recommends">
            <a :href="item.jumpurl">
            <img class="needsclick" @load="loadImage" :src="item.pic"/>
          </a>
          </div>
        </slider>
      </div>
      <div class="recommend-list>">
        <h1 class="list-title">热门歌单推荐</h1>
        <ul>
          <li @click="selectItem(item)" v-for="item in discList" class="item">
            <div class="icon">
              <img width="60" height="60" v-lazy="item.imgurl" />
            </div>
            <div class="text">
              <h2 class="name" v-html="item.creator.name"></h2>
              <p class="desc" v-html="item.dissname"></p>
            </div>
          </li>
        </ul>
      </div>
      <div class="loading-container" v-show="!discList.length">
        <loading></loading>
      </div>
    </div>
  </scroll>
  <router-view></router-view>
</div>
</template>

<script type="text/ecmascript-6">
import Loading from 'base/loading/loading'
import Scroll from 'base/scroll/scroll'
import Slider from 'base/slider/slider'
import {
  mapMutations
} from 'vuex'
import {
  playlistMixin
} from 'common/js/mixin'
import {
  getRecommend,
  getDiscList
} from 'api/recommend'
import {
  ERR_OK
} from 'api/config'
export default {
  mixins: [playlistMixin],
  data() {
    return {
      recommends: [],
      discList: []
    }
  },
  created() {
    this._getRecommend()
    this._getDiscList()
  },
  methods: {
    selectItem(item) {
      this.$router.push({
        path: `/recommend/${item.dissid}`
      })
      this.setDisc(item)
    },
    handlePlaylist(playlist) {
      const bottom = playlist.length > 0 ? '60px' : ''
      this.$refs.recommend.style.bottom = bottom
      this.$refs.scroll.refresh()
    },
    _getRecommend() {
      getRecommend().then((res) => {
        if (res.code === ERR_OK) {
          this.recommends = res.data.focus
        }
      })
    },
    _getDiscList() {
      getDiscList().then((res) => {
        if (res.code === ERR_OK) {
          this.discList = res.data.list
        }
      })
    },
    loadImage() {
      if (!this.checkloaded) {
        this.$refs.scroll.refresh()
        this.checkloaded = true
      }
    },
    ...mapMutations({
      setDisc: 'SET_DISC'
    })
  },
  components: {
    Slider,
    Scroll,
    Loading
  }
}
</script>


<style scoped lang="stylus" rel="stylesheet/stylus">
@import "~common/stylus/variable"


.recommend
  position: fixed
  width: 100%
  top: 88px
  bottom: 0
.recommend-content
  height: 100%
  overflow: hidden
.slider-wrapper
  position: relative
  width: 100%
  overflow: hidden
.recommend-list
.list-title
    height: 65px
    line-height: 65px
    text-align: center
    font-size: $font-size-medium
    color: $color-theme
.item
  display: flex
  box-sizing: border-box
  align-items: center
  padding: 0 20px 20px 20px
.icon
  flex: 0 0 60px
  width: 60px
  padding-right: 20px
.text
  display: flex
  flex-direction: column
  justify-content: center
  flex: 1
  line-height: 20px
  overflow: hidden
  font-size: $font-size-medium
.name
  margin-bottom: 10px
  color: $color-text
.desc
  color: $color-text-d
.loading-container
  position: absolute
  width: 100%
  top: 50%
  transform: translateY(-50%)
</style>
